Home / 42,937.10-64,410.45-13,354.70

Finding the Fourth Proportional to 42,937.10, 64,410.45 and 13,354.70

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Solution

The fourth proportional to 42,937.10, 64,410.45 and 13,354.70 is: 20,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.10 : 64,410.45 = 13,354.70 : x
  2. Step 2: Convert to fraction form
    42,937.10/64,410.45 = 13,354.70/x
  3. Step 3: Cross multiply
    42,937.10x = 64,410.45 × 13,354.70
  4. Step 4: Simplify right side
    42,937.10x = 860,182,236.62
  5. Step 5: Solve for x
    x = 860,182,236.62/42,937.10
  6. Step 6: Final answer
    x = 20,033.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.